| 年份 | 伊朗伊斯兰共和国 |
|---|---|
| 2023 | - |
| 2022 | 1.31407 |
| 2021 | 1.34167 |
| 2020 | 1.47379 |
| 2019 | 1.75566 |
| 2018 | 1.98307 |
| 2017 | 2.12214 |
| 2016 | 2.54487 |
| 2015 | 2.98414 |
| 2014 | 2.63451 |
| 2013 | 2.20625 |
| 2012 | 2.0539 |
| 2011 | 2.087 |
| 2010 | 2.23047 |
| 2009 | 2.20203 |
| 2008 | 2.23076 |
| 2007 | 2.36537 |
| 2006 | 2.54857 |
| 2005 | 2.63514 |
| 2004 | 2.66367 |
| 2003 | 1.99741 |
| 2002 | 2.06395 |
| 2001 | 2.82184 |
| 2000 | 2.78234 |
| 1999 | 2.74375 |
| 1998 | 2.73901 |
| 1997 | 2.6681 |
| 1996 | 2.716 |
| 1995 | 2.77101 |
| 1994 | 1.84529 |
| 1993 | 2.13463 |
| 1992 | 3.72994 |
| 1991 | 4.80789 |
| 1990 | 4.88373 |
| 1989 | 3.86619 |
| 1988 | 4.04187 |
| 1987 | 4.3477 |
| 1986 | 4.79803 |
| 1985 | 4.91821 |
| 1984 | 4.98771 |
| 1983 | 4.96966 |
| 1982 | 6.3375 |
| 1981 | 6.4322 |
| 1980 | 4.97956 |
| 1979 | 4.8354 |
| 1978 | 4.69982 |
| 1977 | 4.72204 |
| 1976 | 4.94004 |
| 1975 | 4.99021 |
| 1974 | 4.96153 |
| 1973 | 4.93377 |
| 1972 | 4.94611 |
| 1971 | 5.01069 |
| 1970 | 5.05975 |
| 1969 | 5.03575 |
| 1968 | 5.05626 |
| 1967 | 4.96131 |
| 1966 | 4.7515 |
| 1965 | 4.7989 |
| 1964 | 4.78815 |
| 1963 | 4.73735 |
| 1962 | 4.6943 |
| 1961 | 4.66309 |
| 1960 | - |